They started something big, different and new. But somewhere down the line, they lost their way, even landed on the wrong side of the law. Here's a look at six high-fliers who fell from grace
"You can have a perfect constitution, perfect compliance but if people who run things don't themselves have integrity then you don't get justice." Preet Bharara Former Federal Prosecutor
The cure might lie in things like improving market intelligence, responding to early signals, improving efficacy of prosecution, and understanding structures and inter-dependence, writes T N Ninan
In 2012, Gupta was found guilty of passing confidential boardroom information to then hedge fund founder Raj Rajaratnam, who is currently serving 11 years in prison for insider trading
Rajat Gupta is desperate to portray himself as a fall guy
The former Managing Director of McKinsey who served a prison term for insider trading has written a memoir setting out why his conviction was a miscarriage of justice
Mr Gupta failed in his effort to be reinstated in the McKinsey alumni directory
Ex-Goldman Sachs director Gupta has served a two-year prison term on insider trading charges
Gupta served a two-year prison term on insider trading charges
The court ruled that sharing corporate secrets is illegal even if the tipsters did not receive anything in return
A gradual return to a normal life after completing a two-year prison term on insider trading charges
Gupta was released from federal custody in March after being sentenced to two years in prison
Analjit Singh threw a bash for Gupta at his Delhi residence, with many prominent Indian business leaders in attendance
Rajat Gupta was convicted in 2012 of passing confidential boardroom information to now jailed hedge fund founder Raj Rajaratnam
He argued that there is no evidence to show that he "received even a penny" for passing confidential boardroom information to his friend
Gupta walked a free man in March this year after completing his two-year prison term in a Massachusetts facility
The memoir tells the story of his meteoric rise and equally dramatic fall
Even as the former McKinsey head walks out of prison, a US court has agreed to revisit Gupta's appeal to throw out his insider trading conviction
He was convicted in his 2012 trial of passing confidential boardroom information to his one-time friend and business associate Raj Rajaratnam